Free SF apartment background check

474-476 Waller St

Hayes Valley, SF 94117 0860018 2 units · 2 fl · 1900

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Hayes Valley
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.3.

Rent & eviction protection

Is 474-476 Waller St rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1900
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH3
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units2
Floors2
Year built1900
Total area3,250 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0860018
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Wu Alphonse
Mailing address
Po Box 282288 San Francisco CA 94128
Last sale
101812

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

474 Waller St, San Francisco, CA 94117
476 Waller St, San Francisco, CA 94117
Augrented Insights
Initial analysis

The property at 474-476 Waller Street is a two-story, two-unit multi-family residential building located in Hayes Valley, owned by Alphonse Wu and constructed in 1900. The building has undergone significant renovations and proposed modifications over the years, with the most recent activity focusing on the addition of an Accessory Dwelling Unit (ADU) on the first floor. Two permit applications for this work were submitted in December 2024, following an earlier cancelled attempt in June 2024. Historical improvements include major renovations in 2010 to the lower unit, featuring kitchen and bathroom relocations and updates costing $50,000, with associated plumbing and electrical work completed. In 2008, similar substantial improvements were made to the second floor, including kitchen and bathroom modifications, with a cost of $35,000 and comprehensive plumbing and electrical upgrades. The building's infrastructure has been maintained with various updates, including a gas furnace replacement in 2010 and electrical system improvements such as a new 60-amp meter box installation.

The property has experienced recurring issues with street cleanliness and maintenance in the surrounding area, as evidenced by multiple 311 calls between 2019 and 2024 regarding garbage, debris, and cleaning needs. While these external maintenance matters do not directly impact the building's condition, they provide context about the immediate neighborhood environment. Recent calls in late 2024 primarily concerned garbage and debris on the street, with some cases requiring intervention from city services. The building's documented history shows consistent maintenance and improvement efforts by the owner, particularly focusing on unit modernization and infrastructure upgrades, with the most recent push being the ADU addition project currently in the permit application stage.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 474-476 Waller St's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
94th percentile

Out of 1027 buildings in this neighborhood, 62 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
91%
No DBI
violation
9%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month severity forecast
No violation 87.2%
Moderate concern 9.0%
Severe concern 3.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

474-476 Waller St apartment reviews

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The story over time

474-476 Waller St event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2026
Plumbing Permit Apr 20
Work category: 1m; install mini split heat-pump for adu
Complete
Plumbing PermitMar 24
Work category: 2pb; add one a d u one bathroom, one kitchen, add one water main, relocate some waste lines replacement sewer and house trap.

See all 6 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 474-476 Waller St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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